19740128

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{277}}^1$

素因数の和:435

約数の個数: 48

約数和(自身を含む): 41613264

約数和(自身を除く): 21873136

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 131, 136, 262, 272, 277, 524, 544, 554, 1048, 1108, 2096, 2216, 2227, 4192, 4432, 4454, 4709, 8864, 8908, 9418, 17816, 18836, 35632, 36287, 37672, 71264, 72574, 75344, 145148, 150688, 290296, 580592, 616879, 1161184, 1233758, 2467516, 4935032, 9870064, 19740128]

約数ペア:

[(1, 19740128), (2, 9870064), (4, 4935032), (8, 2467516), (16, 1233758), (17, 1161184), (32, 616879), (34, 580592), (68, 290296), (131, 150688), (136, 145148), (262, 75344), (272, 72574), (277, 71264), (524, 37672), (544, 36287), (554, 35632), (1048, 18836), (1108, 17816), (2096, 9418), (2216, 8908), (2227, 8864), (4192, 4709), (4432, 4454)]